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<?php |
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/* |
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* This file is part of Respect/Validation. |
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* |
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* (c) Alexandre Gomes Gaigalas <[email protected]> |
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* |
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* For the full copyright and license information, please view the "LICENSE.md" |
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* file that was distributed with this source code. |
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*/ |
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namespace Respect\Validation\Rules; |
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use ArrayAccess; |
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use Respect\Validation\Exceptions\ComponentException; |
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class KeyNested extends AbstractRelated |
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{ |
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public function hasReference($input) |
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{ |
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try { |
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$this->getReferenceValue($input); |
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} catch (ComponentException $cex) { |
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return false; |
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} |
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return true; |
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} |
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private function getReferencePieces() |
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{ |
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return explode('.', rtrim($this->reference, '.')); |
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} |
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private function getKeyValueFromArray($array, $key) |
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{ |
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if (!array_key_exists($key, $array)) { |
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$message = sprintf('Cannot select the key %s from the given array', $this->reference); |
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throw new ComponentException($message); |
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} |
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return $array[$key]; |
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} |
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private function getKeyValueFromObject($object, $property) |
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{ |
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if (empty($property) || !property_exists($object, $property)) { |
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$message = sprintf('Cannot select the property %s from the given object', $this->reference); |
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throw new ComponentException($message); |
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} |
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return $object->{$property}; |
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} |
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private function getKeyValue($value, $key) |
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{ |
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if (is_array($value) || $value instanceof ArrayAccess) { |
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return $this->getKeyValueFromArray($value, $key); |
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} |
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if (is_object($value)) { |
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return $this->getKeyValueFromObject($value, $key); |
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} |
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$message = sprintf('Cannot select the property %s from the given data', $this->reference); |
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throw new ComponentException($message); |
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} |
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public function getReferenceValue($input) |
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{ |
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if (is_scalar($input)) { |
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$message = sprintf('Cannot select the %s in the given data', $this->reference); |
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throw new ComponentException($message); |
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} |
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$keys = $this->getReferencePieces(); |
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$value = $input; |
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while (!is_null($key = array_shift($keys))) { |
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$value = $this->getKeyValue($value, $key); |
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} |
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return $value; |
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} |
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} |
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Respect /
Validation
